EP2058062A4 - Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programme - Google Patents
Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programmeInfo
- Publication number
- EP2058062A4 EP2058062A4 EP07806800.4A EP07806800A EP2058062A4 EP 2058062 A4 EP2058062 A4 EP 2058062A4 EP 07806800 A EP07806800 A EP 07806800A EP 2058062 A4 EP2058062 A4 EP 2058062A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- springback
- occurrence cause
- identifying method
- programs
- devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006236314A JP4724626B2 (ja) | 2006-08-31 | 2006-08-31 | スプリングバック発生原因部位特定方法、その装置、及びそのプログラム |
JP2006244351A JP4418449B2 (ja) | 2006-09-08 | 2006-09-08 | スプリングバック発生原因部位特定方法、その装置、及びそのプログラム |
JP2006269253A JP4344375B2 (ja) | 2006-09-29 | 2006-09-29 | スプリングバック発生原因部位特定方法、その装置、及びそのプログラム |
JP2006268855A JP4308239B2 (ja) | 2006-09-29 | 2006-09-29 | スプリングバック影響度表示方法、その装置、及びそのプログラム |
JP2006271097A JP4418452B2 (ja) | 2006-10-02 | 2006-10-02 | スプリングバック発生原因部位特定方法、その装置、及びそのプログラム |
JP2006270693A JP4418451B2 (ja) | 2006-10-02 | 2006-10-02 | スプリングバック対策位置特定方法、その装置、及びそのプログラム |
PCT/JP2007/067358 WO2008026777A1 (fr) | 2006-08-31 | 2007-08-30 | Procédé d'identification de cause d'occurrence de retour élastique, procédé d'affichage du degré d'influence du retour élastique, procédé d'identification de la partie à l'origine de l'occurrence de retour élastique, procédé de spécif |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2058062A1 EP2058062A1 (de) | 2009-05-13 |
EP2058062A4 true EP2058062A4 (de) | 2015-05-27 |
Family
ID=39136047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07806800.4A Withdrawn EP2058062A4 (de) | 2006-08-31 | 2007-08-30 | Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programme |
Country Status (9)
Country | Link |
---|---|
US (2) | US9767234B2 (de) |
EP (1) | EP2058062A4 (de) |
KR (1) | KR101088115B1 (de) |
CN (2) | CN103995927B (de) |
BR (1) | BRPI0716142B1 (de) |
CA (1) | CA2662109C (de) |
MX (1) | MX2009002150A (de) |
TW (1) | TW200824813A (de) |
WO (1) | WO2008026777A1 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2058062A4 (de) * | 2006-08-31 | 2015-05-27 | Nippon Steel & Sumitomo Metal Corp | Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programme |
JP4410833B2 (ja) * | 2007-12-25 | 2010-02-03 | 新日本製鐵株式会社 | スプリングバック発生原因分析方法、その装置、そのプログラム及び記録媒体 |
BRPI0923582B8 (pt) * | 2008-12-25 | 2021-08-17 | Nippon Steel & Sumitomo Metal Corp | método e dispositivo para análise de uma causa de recuperação elástica em um produto formado |
US20110295570A1 (en) * | 2010-05-27 | 2011-12-01 | Livermore Software Technology Corporation | Sheet Metal Forming Failure Prediction Using Numerical Simulations |
FR2971598B1 (fr) * | 2011-02-14 | 2013-03-08 | Total Sa | Procede de determination de la tenue mecanique d'un ouvrage. |
JP5765014B2 (ja) | 2011-03-30 | 2015-08-19 | Jfeスチール株式会社 | プレス成形解析方法 |
JP5821403B2 (ja) * | 2011-08-22 | 2015-11-24 | Jfeスチール株式会社 | プレス成形品のスプリングバック対策効果確認方法及び装置 |
US20130289953A1 (en) * | 2012-01-24 | 2013-10-31 | The University Of Akron | Self-optimizing, inverse analysis method for parameter identification of nonlinear material constitutive models |
JP6064447B2 (ja) | 2012-08-31 | 2017-01-25 | Jfeスチール株式会社 | スプリングバック抑制対策部品製造方法 |
JP6044191B2 (ja) * | 2012-08-31 | 2016-12-14 | Jfeスチール株式会社 | プレス成形品のスプリングバック抑制対策方法および解析装置 |
JP6060591B2 (ja) * | 2012-09-26 | 2017-01-18 | Jfeスチール株式会社 | プレス成形品のスプリングバック要因特定方法および装置 |
MX362269B (es) * | 2013-02-08 | 2019-01-10 | Jfe Steel Corp | Metodo de analisis de la estampacion. |
RU2668171C2 (ru) * | 2014-06-26 | 2018-09-26 | Ниппон Стил Энд Сумитомо Метал Корпорейшн | Способ изготовления штампованного изделия и пресс-форма |
KR101953501B1 (ko) * | 2015-01-26 | 2019-02-28 | 신닛테츠스미킨 카부시키카이샤 | 면 형상 불량 발생 영역 추정 방법, 면 형상 불량 원인 영역 추정 방법, 면 형상 불량 발생 영역 추정 장치, 면 형상 불량 원인 영역 추정 장치, 프로그램, 및 기록 매체 |
CN105183970B (zh) * | 2015-08-31 | 2018-06-29 | 西北工业大学 | 一种框肋零件中无下陷连续弯边的回弹补偿方法 |
TWI597108B (zh) * | 2016-11-01 | 2017-09-01 | 財團法人金屬工業硏究發展中心 | 線上即時金屬板材輥軋曲彎成形回彈補償方法 |
JP6519639B1 (ja) * | 2017-12-07 | 2019-05-29 | Jfeスチール株式会社 | スプリングバック量変動要因部位特定方法 |
US11731187B2 (en) | 2018-01-30 | 2023-08-22 | Jfe Steel Corporation | Press forming method, rigidity-improvement-position specifying method, press forming system, and press-formed product |
JP6959993B2 (ja) * | 2018-03-28 | 2021-11-05 | Jfeスチール株式会社 | プレス成形品の剛性向上方法、プレス成形金型、プレス成形品およびプレス成形品の製造方法 |
US20210023601A1 (en) * | 2018-03-28 | 2021-01-28 | Jfe Steel Corporation | Method of designing press-formed product, press-forming die, press-formed product, and method of producing press-formed product |
KR102163021B1 (ko) * | 2018-09-28 | 2020-10-07 | 대주코레스(주) | 차량용 중공형 알루미늄 범퍼빔의 프레스 성형해석 방법 |
JP6683269B1 (ja) * | 2019-02-01 | 2020-04-15 | Jfeスチール株式会社 | スプリングバック量変動要因部位特定方法 |
WO2020168211A1 (en) * | 2019-02-14 | 2020-08-20 | Northwestern University | In-situ springback compensation in incremental sheet forming |
CN110059426B (zh) * | 2019-04-24 | 2023-05-12 | 首钢集团有限公司 | 一种冲压件回弹优化方法 |
JP6841295B2 (ja) * | 2019-05-22 | 2021-03-10 | Jfeスチール株式会社 | スプリングバック量乖離要因部位特定方法および装置 |
CN110705146B (zh) * | 2019-09-16 | 2021-06-01 | 北京科技大学 | 基于ansys-apdl语言的考虑张力载荷的大方坯连轧变形预测方法 |
JP7243657B2 (ja) * | 2020-02-14 | 2023-03-22 | Jfeスチール株式会社 | プレス成形品の形状変化予測方法 |
JP6888703B1 (ja) * | 2020-02-14 | 2021-06-16 | Jfeスチール株式会社 | プレス成形品の形状変化予測方法 |
CN112800551B (zh) * | 2020-12-24 | 2023-05-16 | 武汉理工大学 | 一种复杂形状结构件形性协同控制方法 |
CN112949000B (zh) * | 2021-02-26 | 2022-08-02 | 北京理工大学 | 基于卷积神经网络模型的构件残余应力反演方法 |
CN117648825B (zh) * | 2024-01-25 | 2024-05-03 | 天津世亚模具股份有限公司 | 一种高强度板回弹量估算方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000312933A (ja) * | 1999-04-28 | 2000-11-14 | Toyota Motor Corp | スプリングバック量予測方法 |
US6522979B1 (en) * | 2000-10-18 | 2003-02-18 | Northrop Grumman Corporation | Fluid cell process modeling |
JP2003340529A (ja) * | 2002-05-29 | 2003-12-02 | Jfe Steel Kk | プレス成形品のスプリングバック解析システム |
JP2004337968A (ja) * | 2003-05-19 | 2004-12-02 | Nissan Motor Co Ltd | プレス成形品のスプリングバック量測定方法 |
JP2005205450A (ja) * | 2004-01-22 | 2005-08-04 | Nissan Motor Co Ltd | 成形型の型面形状修正方法およびそのプログラム |
Family Cites Families (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333445A (en) * | 1964-06-23 | 1967-08-01 | Case Inst Of Technology | Digitally controlled metal forming |
US3352136A (en) * | 1965-03-22 | 1967-11-14 | Conrac Corp | Metal forming machine |
US3474650A (en) * | 1967-05-19 | 1969-10-28 | Ind Metal Prod Corp | Straightening machine |
US3860803A (en) * | 1970-08-24 | 1975-01-14 | Diecomp Inc | Automatic method and apparatus for fabricating progressive dies |
US3821525A (en) * | 1972-03-16 | 1974-06-28 | Conrac Corp | Method and apparatus for automatically compensated tube bending |
US6825698B2 (en) | 2001-08-29 | 2004-11-30 | Altera Corporation | Programmable high speed I/O interface |
US4430879A (en) * | 1981-06-12 | 1984-02-14 | Hurco Manufacturing Company, Inc. | Apparatus for controlling a press brake |
AT374706B (de) * | 1982-06-07 | 1984-05-25 | Haemmerle Ag | Verfahren zum blechbiegen und biegeeinrichtung zur ausuebung des verfahrens |
CH654761A5 (fr) * | 1984-02-03 | 1986-03-14 | Beyeler Machines Sa | Presse-plieuse dont le dispositif de pliage permet un controle continu de l'angle de pliage de la piece a plier. |
US4819467A (en) * | 1986-09-17 | 1989-04-11 | Cincinnati Incorporated | Adaptive control system for hydraulic press brake |
US4802357A (en) * | 1987-05-28 | 1989-02-07 | The Boeing Company | Apparatus and method of compensating for springback in a workpiece |
US4864509A (en) * | 1987-09-29 | 1989-09-05 | The Boeing Company | Method and related apparatus for controlling the operation of a press brake |
DE3739173A1 (de) * | 1987-11-19 | 1989-06-01 | Feintool Int Holding | Verfahren und vorrichtung zum biegen von werkstuecken |
FR2630358B1 (fr) * | 1988-04-21 | 1993-12-10 | Picot Sa | Procede et dispositif pour le controle du retour elastique, lors du cintrage d'un element allonge tel que tube |
US4947666A (en) * | 1988-09-16 | 1990-08-14 | The Boeing Company | Method and apparatus for bending an elongate workpiece |
US4989439A (en) * | 1988-11-17 | 1991-02-05 | Mcdonnell Douglas Corporation | Springback stretch press |
JPH0713847Y2 (ja) * | 1990-02-16 | 1995-04-05 | 株式会社小松製作所 | プレスブレーキの曲げ角度検出装置 |
CA2069189C (en) * | 1991-08-12 | 1998-04-14 | Aerostructures Corporation | Method of developing complex tool shapes |
US5275031A (en) * | 1992-06-05 | 1994-01-04 | Stark Manufacturing, Inc. | Bend correction apparatus and method |
JP2752898B2 (ja) * | 1993-06-16 | 1998-05-18 | 株式会社小松製作所 | V曲げ加工におけるスプリングバック角度計測装置 |
BE1007424A5 (nl) * | 1993-08-27 | 1995-06-13 | Lvd Co | Adaptief plooien. |
US5345803A (en) * | 1993-08-30 | 1994-09-13 | General Electric Company | Adjustable tube bending method and apparatus |
DE69523446T2 (de) * | 1994-03-29 | 2002-06-27 | Komatsu Mfg Co Ltd | Automatisches verfahren zum ausrechnen der stösselhubkompensation einer biegepresse |
US5839310A (en) * | 1994-03-29 | 1998-11-24 | Komatsu, Ltd. | Press brake |
JP3471418B2 (ja) | 1994-05-16 | 2003-12-02 | 本田技研工業株式会社 | 残留歪の除去方法 |
JPH0810851A (ja) | 1994-06-30 | 1996-01-16 | Kobe Steel Ltd | 金属板のプレス成形方法 |
KR100390017B1 (ko) * | 1994-07-08 | 2004-02-11 | 가부시키가이샤 아마다 | 프레스브레이크의절곡가공방법및그방법에서사용하는프레스브레이크 |
US5528504A (en) * | 1994-08-22 | 1996-06-18 | Avco Corporation | Equivalent thickness bending analogy for integrally stiffened structures |
US5761940A (en) * | 1994-11-09 | 1998-06-09 | Amada Company, Ltd. | Methods and apparatuses for backgaging and sensor-based control of bending operations |
FI951826A0 (fi) * | 1995-04-13 | 1995-04-13 | Kvaerner Masa Yards Oy | Boejningsanordning foer aluminiumprofil |
JP3431049B2 (ja) * | 1995-04-27 | 2003-07-28 | 株式会社小松製作所 | 曲げ加工機 |
DE19521369C2 (de) * | 1995-06-12 | 2000-06-29 | Trumpf Gmbh & Co | Bearbeitungsmaschine zum Umformen von Werkstücken |
JP3548971B2 (ja) * | 1995-11-16 | 2004-08-04 | 日本軽金属株式会社 | 押出し形材の曲げ加工方法 |
JP3741474B2 (ja) * | 1996-02-23 | 2006-02-01 | 株式会社小松製作所 | 曲げ加工機における曲げ順番選定方法および選定装置 |
JP3734315B2 (ja) * | 1996-08-26 | 2006-01-11 | 株式会社小松製作所 | 曲げ加工方法および曲げ加工装置 |
DE69712775T2 (de) * | 1996-10-29 | 2003-02-06 | Komatsu Mfg Co Ltd | Biegewinkelkorrekturverfahren und so hergestellte biegepresse |
JPH10296339A (ja) * | 1997-04-24 | 1998-11-10 | Toyo Koki:Kk | 曲げ加工方法およびその装置 |
CA2221324A1 (en) * | 1997-11-17 | 1999-05-17 | Eagle Precision Technologies Inc. | Tub bending apparatus and method |
JPH11179433A (ja) * | 1997-12-19 | 1999-07-06 | Amada Co Ltd | 曲げ加工方法およびこの曲げ加工システム |
US6708541B1 (en) * | 1998-08-10 | 2004-03-23 | Masateru Matsumoto | Method and apparatus for measuring angle of bend, method of bending, and apparatus for controlling angle of bend |
FR2796320B1 (fr) * | 1999-07-13 | 2001-10-05 | Amada Europ Sa | Presse plieuse a precision amelioree |
EP1083403A1 (de) * | 1999-09-08 | 2001-03-14 | Bystronic Laser AG | Verfahren sowie Anordnung zum Ermitteln des Biegewinkels von Werkstücken |
US6205366B1 (en) * | 1999-09-14 | 2001-03-20 | Ford Global Technologies, Inc. | Method of applying the radial return method to the anisotropic hardening rule of plasticity to sheet metal forming processes |
KR100519521B1 (ko) * | 1999-10-07 | 2005-10-05 | 무라타 기카이 가부시키가이샤 | 굽힘기계 및 그 운전방법 |
EP1925375A3 (de) * | 2000-01-17 | 2012-06-27 | AMADA COMPANY, Ltd. | Verfahren und System zur Bearbeitung eines Plattenmaterials und verschiedene Vorrichtungen mit dem System |
EP1120176B1 (de) * | 2000-01-24 | 2005-04-20 | Bystronic Laser AG | Verfahren zum Steuern des Hubes einer Biegepresse |
CN1208490C (zh) * | 2000-09-21 | 2005-06-29 | 新日本制铁株式会社 | 形状固定性优异的钢板及其生产方法 |
JP4700801B2 (ja) * | 2000-12-07 | 2011-06-15 | 株式会社アマダ | 曲げ加工方法 |
JP3801466B2 (ja) * | 2001-07-17 | 2006-07-26 | 株式会社東洋工機 | 曲げ加工方法および曲げ加工装置 |
JP2003033828A (ja) | 2001-07-23 | 2003-02-04 | Toyota Motor Corp | 金型モデル成形方法およびプログラム |
JP4000941B2 (ja) * | 2001-09-10 | 2007-10-31 | スズキ株式会社 | 塑性加工における金型形状の最適化支援システムおよび最適化支援用プログラム |
US6748788B2 (en) * | 2001-09-26 | 2004-06-15 | Kobe Steel, Ltd. | Method for bending metal plate |
AT411022B (de) * | 2002-02-27 | 2003-09-25 | Juricek Christian Dipl Ing | Verfahren zur reduktion der biegewinkelfehler beim gesenkbiegen |
US7027048B2 (en) * | 2002-05-31 | 2006-04-11 | Ugs Corp. | Computerized deformation analyzer |
US7415400B2 (en) * | 2002-10-15 | 2008-08-19 | Livermore Software Technology Corporation | System, method, and device for designing a die to stamp metal parts to an exact final dimension |
JP4590834B2 (ja) | 2003-07-07 | 2010-12-01 | トヨタ自動車株式会社 | 面品質評価装置及び評価プログラム |
EP1665103B1 (de) * | 2003-09-11 | 2008-04-09 | Autoform Engineering Gmbh | Bestimmung eines modells einer geometrie einer blech-umformstufe |
JP4833531B2 (ja) * | 2003-11-11 | 2011-12-07 | 新日本製鐵株式会社 | プレス成形加工装置、プレス成形加工方法、コンピュータプログラム及び記録媒体 |
US7130714B1 (en) * | 2004-06-11 | 2006-10-31 | Cessna Aircraft Company | Method of predicting springback in hydroforming |
JP4631335B2 (ja) | 2004-07-21 | 2011-02-16 | Jfeスチール株式会社 | プレス成形用金型の形状決定方法 |
JP2006051256A (ja) | 2004-08-13 | 2006-02-23 | Oki Seisakusho:Kk | 傘立て |
JP2006075884A (ja) * | 2004-09-10 | 2006-03-23 | Nippon Steel Corp | プレス成形加工システム、プレス成形加工方法、及びコンピュータプログラム |
ITPR20040088A1 (it) * | 2004-12-13 | 2005-03-13 | Schiavi Macchine Ind Spa | Metodo e dispositivo per la determinazione dello spessore o del ritorno elastico di un pezzo piegato con una pressa piegatrice. |
CA2613845C (en) * | 2005-06-30 | 2011-03-15 | Nippon Steel Corporation | Member designing method, member designing apparatus, computer program product, and computer-readable recording medium |
JP4681420B2 (ja) * | 2005-10-19 | 2011-05-11 | 新日本製鐵株式会社 | 形状凍結性に優れたプレス成形方法及びプレス金型 |
US7464011B2 (en) * | 2006-01-26 | 2008-12-09 | Ford Global Technologies, Llc | Method for determining addendum and binder surfaces of springback compensated stamping dies |
US8990028B2 (en) * | 2006-02-01 | 2015-03-24 | Nippon Steel & Sumitomo Metal Corporation | Fracture prediction method, device, a program arrangement and computer-accessible medium therefor |
JP4894294B2 (ja) | 2006-02-27 | 2012-03-14 | Jfeスチール株式会社 | プレス成形解析方法 |
JP4739147B2 (ja) * | 2006-08-28 | 2011-08-03 | トヨタ自動車株式会社 | 形状不良要因特定方法、装置及びプログラム |
EP2058062A4 (de) * | 2006-08-31 | 2015-05-27 | Nippon Steel & Sumitomo Metal Corp | Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programme |
JP4886527B2 (ja) * | 2007-01-17 | 2012-02-29 | 本田技研工業株式会社 | 金型モデルデータの修正方法 |
ITMI20080005A1 (it) * | 2008-01-02 | 2009-07-03 | Alenia Aermacchi Spa | Procedimento per la piegatura di tubi |
US7584637B2 (en) * | 2008-01-10 | 2009-09-08 | Gm Global Technology Operations, Inc. | Bending apparatus and method of bending a metal object |
-
2007
- 2007-08-30 EP EP07806800.4A patent/EP2058062A4/de not_active Withdrawn
- 2007-08-30 US US12/439,126 patent/US9767234B2/en active Active
- 2007-08-30 CN CN201410204754.9A patent/CN103995927B/zh active Active
- 2007-08-30 BR BRPI0716142A patent/BRPI0716142B1/pt not_active IP Right Cessation
- 2007-08-30 MX MX2009002150A patent/MX2009002150A/es active IP Right Grant
- 2007-08-30 TW TW096132255A patent/TW200824813A/zh not_active IP Right Cessation
- 2007-08-30 WO PCT/JP2007/067358 patent/WO2008026777A1/ja active Application Filing
- 2007-08-30 CA CA2662109A patent/CA2662109C/en not_active Expired - Fee Related
- 2007-08-30 CN CN201210056854.2A patent/CN102708222B/zh active Active
- 2007-08-30 KR KR1020097004343A patent/KR101088115B1/ko active IP Right Grant
-
2017
- 2017-08-29 US US15/689,209 patent/US20180075177A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000312933A (ja) * | 1999-04-28 | 2000-11-14 | Toyota Motor Corp | スプリングバック量予測方法 |
US6522979B1 (en) * | 2000-10-18 | 2003-02-18 | Northrop Grumman Corporation | Fluid cell process modeling |
JP2003340529A (ja) * | 2002-05-29 | 2003-12-02 | Jfe Steel Kk | プレス成形品のスプリングバック解析システム |
JP2004337968A (ja) * | 2003-05-19 | 2004-12-02 | Nissan Motor Co Ltd | プレス成形品のスプリングバック量測定方法 |
JP2005205450A (ja) * | 2004-01-22 | 2005-08-04 | Nissan Motor Co Ltd | 成形型の型面形状修正方法およびそのプログラム |
Non-Patent Citations (1)
Title |
---|
See also references of WO2008026777A1 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0716142B1 (pt) | 2020-02-04 |
CN102708222A (zh) | 2012-10-03 |
US20180075177A1 (en) | 2018-03-15 |
CN103995927B (zh) | 2017-01-04 |
CN103995927A (zh) | 2014-08-20 |
KR20090046906A (ko) | 2009-05-11 |
US20100005845A1 (en) | 2010-01-14 |
EP2058062A1 (de) | 2009-05-13 |
CA2662109A1 (en) | 2008-03-06 |
CN102708222B (zh) | 2014-11-26 |
KR101088115B1 (ko) | 2011-12-02 |
US9767234B2 (en) | 2017-09-19 |
BRPI0716142A2 (pt) | 2013-09-17 |
TW200824813A (en) | 2008-06-16 |
TWI336274B (de) | 2011-01-21 |
CA2662109C (en) | 2013-07-30 |
WO2008026777A1 (fr) | 2008-03-06 |
MX2009002150A (es) | 2009-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2058062A4 (de) | Ursachenidentifizierungsverfahren für das auftreten von rückfederung, anzeigeverfahren des einflussgrades der rückfederung, ursachenteilidentifizierungsverfahren für das auftreten von rückfederung, messpositionsbestimmungsverfahren für die rückfederung, deren vorrichtungen und programme | |
EP1983413A4 (de) | Informationsanzeigeeinrichtung, informationsanzeigeverfahren und programm | |
EP2085744A4 (de) | Abstandsmessvorrichtung, -verfahren und -programm | |
EP2172926A4 (de) | Informationsanzeigeeinrichtung, informationsanzeigeverfahren und informationsanzeigeprogramm | |
EP2093536A4 (de) | Messanordnung und messverfahren | |
EP2101313A4 (de) | Anzeigesteuereinrichtung, anzeigesteuerverfahren und programm | |
EP2154645A4 (de) | Werbungs-servereinrichtung, werbungs-anzeigeverfahren und werbungs-serverprogramm | |
TWI368217B (en) | Display device and display control method | |
EP2061026A4 (de) | Anzeigeeinrichtung und anzeigeverfahren | |
EP2081182A4 (de) | Anzeigevorrichtung und anzeigeverfahren | |
EP2224742A4 (de) | Informationsverarbeitungsvorrichtung, informationsverarbeitungsverfahren, anzeigesteuerungsvorrichtung, anzeigesteuerungsverfahren und entsprechendes programm | |
EP2309369A4 (de) | Informationsverarbeitungsvorrichtung, informationsverarbeitungsprogramm und anzeigesteuerverfahren | |
TWI348129B (en) | Disorder detection device, disorder detection method and disorder detection program | |
EP2309225A4 (de) | Positionsmessverfahren, positionsmesseinrichtung und programm | |
EP2096579A4 (de) | Anzeigeanordnung, anzeigeverfahren und programm | |
EP2026081A4 (de) | Testeinrichtung und testverfahren | |
HK1128261A1 (en) | Distance indicating system and method | |
GB0611960D0 (en) | Software testing method and system | |
EP2023237A4 (de) | Positionsangabeverfahren und positionsangabevorrichtung | |
EP1988709A4 (de) | Anzeigesteuereinrichtung, anzeigesteuerverfahren und anzeigesteuerprogramm | |
EP1988538A4 (de) | Anzeigeeinrichtung und anzeigeverfahren | |
EP2172866A4 (de) | Informationsprozessor und manipulationsverifikationsverfahren | |
EP2048558A4 (de) | Programmierungsvorrichtung und programmierungsverfahren | |
EP2063262A4 (de) | Metall identifizierende vorrichtung und metall identifizierendes verfahren | |
EP1912130A4 (de) | Pfad-display-verfahren, informationsverarbeitungseinrichtung und pfad-display-programm |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080325 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION |
|
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20150424 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G06F 17/50 20060101ALI20150420BHEP Ipc: B21D 22/00 20060101AFI20150420BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20180209 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NIPPON STEEL CORPORATION |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20220126 |